luet/pkg/config/config_protect.go
2020-11-07 11:39:13 +01:00

120 lines
2.9 KiB
Go

// Copyright © 2019-2020 Ettore Di Giacinto <mudler@gentoo.org>
// Daniele Rondina <geaaru@sabayonlinux.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, see <http://www.gnu.org/licenses/>.
package config
import (
"fmt"
"path/filepath"
"strings"
)
type ConfigProtectConfFile struct {
Filename string
Name string `mapstructure:"name" yaml:"name" json:"name"`
Directories []string `mapstructure:"dirs" yaml:"dirs" json:"dirs"`
}
func NewConfigProtectConfFile(filename string) *ConfigProtectConfFile {
return &ConfigProtectConfFile{
Filename: filename,
Name: "",
Directories: []string{},
}
}
func (c *ConfigProtectConfFile) String() string {
return fmt.Sprintf("[%s] filename: %s, dirs: %s", c.Name, c.Filename,
c.Directories)
}
type ConfigProtect struct {
AnnotationDir string
MapProtected map[string]bool
}
func NewConfigProtect(annotationDir string) *ConfigProtect {
if len(annotationDir) > 0 && annotationDir[0:1] != "/" {
annotationDir = "/" + annotationDir
}
return &ConfigProtect{
AnnotationDir: annotationDir,
MapProtected: make(map[string]bool, 0),
}
}
func (c *ConfigProtect) AddAnnotationDir(d string) {
c.AnnotationDir = d
}
func (c *ConfigProtect) GetAnnotationDir() string {
return c.AnnotationDir
}
func (c *ConfigProtect) Map(files []string) {
if LuetCfg.ConfigProtectSkip {
return
}
for _, file := range files {
if file[0:1] != "/" {
file = "/" + file
}
if len(LuetCfg.GetConfigProtectConfFiles()) > 0 {
for _, conf := range LuetCfg.GetConfigProtectConfFiles() {
for _, dir := range conf.Directories {
// Note file is without / at begin (on unpack)
if strings.HasPrefix(file, filepath.Clean(dir)) {
// docker archive modifier works with path without / at begin.
c.MapProtected[file] = true
goto nextFile
}
}
}
}
if c.AnnotationDir != "" && strings.HasPrefix(file, filepath.Clean(c.AnnotationDir)) {
c.MapProtected[file] = true
}
nextFile:
}
}
func (c *ConfigProtect) Protected(file string) bool {
if file[0:1] != "/" {
file = "/" + file
}
_, ans := c.MapProtected[file]
return ans
}
func (c *ConfigProtect) GetProtectFiles(withSlash bool) []string {
ans := []string{}
for key, _ := range c.MapProtected {
if withSlash {
ans = append(ans, key)
} else {
ans = append(ans, key[1:])
}
}
return ans
}